System.hpp

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#pragma once
#include "WorldSystem/SceneHandle.hpp"
#include "Concept.hpp"
 
//* \n SystemPriority can be used to ensure one system is updated before another, it is safe to have more than one system with the same priority,
//* but I highly discourage toy from doing that as in that case the order is not enforced and can vary from run to run.
 
namespace Cori {
    namespace World {
        class System {
        public:
            virtual ~System() = default;
 
            System(const System&) = delete;
            System& operator=(const System&) = delete;
            System(System&&) = delete;
            System& operator=(System&&) = delete;
 
            virtual void OnUpdate([[maybe_unused]] Core::GameTimer& gameTimer) {}
 
            virtual void OnTickUpdate([[maybe_unused]] Core::GameTimer& gameTimer) {}
 
            virtual void OnImGuiRender([[maybe_unused]] Core::GameTimer& gameTimer) {}
 
        protected:
            SceneHandle m_Owner{ nullptr };
            System() = default;
        private:
            friend Scene;
            void SetOwnerScene(const Scene* scene);
        };
    }
}